Patent US4556574A successfully refreshed from Google Patents.
US4556574A
Expired / Lapsed
US
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Method of improving the whipping properties of cream
Assignee: Alfa Laval AB
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Filing: 1983-03-30
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Granted: 1985-12-03
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Expires: 2003-03-30
Abstract
Abstract A method for improving the whipping properties of cream by the addition of a fraction of buttermilk to the cream is disclosed. A concentrate is produced by ultrafiltration of buttermilk, which concentrate is made acid to a pH lower than 4.0, preferably 3.8. This concentrate is mixed with cream with a desired fat content in an amount of 5-15%. The obtained mixture is neutralized and thereafter treated in a desired manner.
Inventors
- 👤 Kenneth Andersson
- 👤 Per Pihl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:46
CPC Classifications
A; A23; A23C; A23C13/00; A23C13/12; A23C13/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
66 words
A process for the production of cream having improved whipping properties, which comprises concentrating buttermilk by ultrafiltration, then acidifying the concentrated buttermilk to a pH below 4.0, adding the acidified buttermilk concentrate to cream having a predetermined fat content, the amount of said added concentrate being in the range of 5-15% of the amount of the cream, and neutralizing the mixture of buttermilk concentrate and cream.
Claim 2
Dependent Claim
66 words
A process for the production of cream having improved whipping properties, which comprises concentrating buttermilk by ultrafiltration, then acidifying the concentrated buttermilk to a pH below 4.0, adding the acidified buttermilk concentrate to cream having a predetermined fat content, the amount of said added concentrate being in the range of 5-15% of the amount of the cream, and neutralizing the mixture of buttermilk concentrate and cream.
Claim 3
Dependent Claim
20 words
Method according to claim 1, in which the ultrafiltration is carried through at a temperature within the interval 40°-75° C.
Claim 4
Dependent Claim
17 words
Method according to claim 1, in which the pH of the buttermilk is neutral during the ultrafiltration.
Claim 5
Dependent Claim
24 words
Method according to claim 1, in which the buttermilk is concentrated by ultrafiltration to one part of concentrate from four parts of unconcentrated buttermilk.
Claim 6
Dependent Claim
17 words
Method according to claim 1, in which the obtained buttermilk concentrate is made acid with lactic acid.
Claim 7
Dependent Claim
35 words
Method according to claim 1, in which the concentrate which has been made acid is mixed with cream having a fat content of 22-26%, at which a whippable cream with low fat content is obtained.
Claim 8
Dependent Claim
17 words
The method of claim 1, in which the concentrated buttermilk is acidified to a pH below 3.8.
Claim 9
Dependent Claim
13 words
Method according to claim 2, in which said temperature is about 50° C.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-12-02 | 1989-06-03 | 1989-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-02 | 1993-06-03 | 1993-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-02 | 1997-06-03 | 1997-12-03 | $7700.00 | Window Closed / Lapsed |